/Engine/Source/Runtime/Core/Public/Misc/CoreDelegates.h
Callback to let code read or write specialized binary data that is generated at Stage time, for optimizing data right before final game data is being written to disk TheTMapis a map of an identifier for owner of the data, and a boolean where true means the data is being generated (ie editor), and false means the data is for use (ie runtime game)
struct FExtraBinaryConfigData
bool
bIsGenerating
If true, the callback should fill out Data/Config
FConfigCacheIni...
Config
Ini config data (not necessarily GConfig)
TMap<FString, ...
Data
The data that will be saved/loaded quickly